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Finding the Fourth Proportional to 191,548.16, 287,322.40 and 60,220.16

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Solution

The fourth proportional to 191,548.16, 287,322.40 and 60,220.16 is: 90,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,548.16 : 287,322.40 = 60,220.16 : x
  2. Step 2: Convert to fraction form
    191,548.16/287,322.40 = 60,220.16/x
  3. Step 3: Cross multiply
    191,548.16x = 287,322.40 × 60,220.16
  4. Step 4: Simplify right side
    191,548.16x = 17,302,600,899.58
  5. Step 5: Solve for x
    x = 17,302,600,899.58/191,548.16
  6. Step 6: Final answer
    x = 90,330.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.